CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands	Jun. 30, 2016	Sep. 30, 2015
Current assets:
Cash and cash equivalents	$ 118,155	$ 86,120
Accounts receivable, net	155,196	158,773
Prepaid expenses and other current assets	22,443	41,709
Total current assets	295,794	286,602
Marketable securities available for sale	10,645	9,567
Other investments	10,920	10,958
Property and equipment, net	41,106	38,208
Goodwill	802,202	814,750
Intangible assets, net	37,212	47,321
Deferred income taxes	22,109	15,196
Other assets	6,724	7,561
Total assets	1,226,712	1,230,163
Current liabilities:
Accounts payable	21,096	19,852
Accrued compensation and employee benefits	56,720	54,368
Other accrued liabilities	36,543	30,958
Deferred revenue	50,884	46,697
Current maturities on debt	85,000	92,000
Total current liabilities	250,243	243,875
Long-term debt	516,000	516,000
Other liabilities	32,428	33,290
Total liabilities	798,671	793,165
Commitments and contingencies
Stockholders’ equity:
Preferred stock ($0.01 par value; 1,000 shares authorized; none issued and outstanding)	0	0
Common stock ($0.01 par value; 200,000 shares authorized, 88,857 shares issued and 30,952 and 31,290 shares outstanding at June 30, 2016 and September 30, 2015, respectively)	310	313
Paid-in-capital	1,165,403	1,152,789
Treasury stock, at cost (57,905 and 57,567 shares at June 30, 2016 and September 30, 2015, respectively)	(2,109,507)	(2,033,644)
Retained earnings	1,443,730	1,368,255
Accumulated other comprehensive loss	(71,895)	(50,715)
Total stockholders’ equity	428,041	436,998
Total liabilities and stockholders’ equity	$ 1,226,712	$ 1,230,163